Home / 23,108.48-31,889.68-12,498.16

Finding the Fourth Proportional to 23,108.48, 31,889.68 and 12,498.16

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Solution

The fourth proportional to 23,108.48, 31,889.68 and 12,498.16 is: 17,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.48 : 31,889.68 = 12,498.16 : x
  2. Step 2: Convert to fraction form
    23,108.48/31,889.68 = 12,498.16/x
  3. Step 3: Cross multiply
    23,108.48x = 31,889.68 × 12,498.16
  4. Step 4: Simplify right side
    23,108.48x = 398,562,322.99
  5. Step 5: Solve for x
    x = 398,562,322.99/23,108.48
  6. Step 6: Final answer
    x = 17,247.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.